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require 'flipper/adapters/active_record'
require 'flipper/adapters/active_support_cache_store'
class Feature
# Classes to override flipper table names
class FlipperFeature < Flipper::Adapters::ActiveRecord::Feature
# Using `self.table_name` won't work. ActiveRecord bug?
superclass.table_name = 'features'
def self.feature_names
pluck(:key)
end
end
class FlipperGate < Flipper::Adapters::ActiveRecord::Gate
superclass.table_name = 'feature_gates'
end
class << self
delegate :group, to: :flipper
def all
flipper.features.to_a
end
def get(key)
flipper.feature(key)
end
def persisted_names
if RequestStore.active?
RequestStore[:flipper_persisted_names] ||= FlipperFeature.feature_names
else
FlipperFeature.feature_names
end
end
def persisted?(feature)
# Flipper creates on-memory features when asked for a not-yet-created one.
# If we want to check if a feature has been actually set, we look for it
# on the persisted features list.
persisted_names.include?(feature.name)
end
def enabled?(key, thing = nil)
get(key).enabled?(thing)
end
def enable(key, thing = true)
get(key).enable(thing)
end
def disable(key, thing = false)
get(key).disable(thing)
end
def enable_group(key, group)
get(key).enable_group(group)
end
def disable_group(key, group)
get(key).disable_group(group)
end
def flipper
Thread.current[:flipper] ||=
Flipper.new(flipper_adapter).tap { |flip| flip.memoize = true }
end
# This method is called from config/initializers/flipper.rb and can be used
# to register Flipper groups.
# See https://docs.gitlab.com/ee/development/feature_flags.html#feature-groups
def register_feature_groups
end
def flipper_adapter
active_record_adapter = Flipper::Adapters::ActiveRecord.new(
feature_class: FlipperFeature,
gate_class: FlipperGate)
Flipper::Adapters::ActiveSupportCacheStore.new(
active_record_adapter,
Rails.cache,
expires_in: 1.hour)
end
end
end
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